CN214868778U

CN214868778U - Positioning device for machining

Info

Publication number: CN214868778U
Application number: CN202023172382.6U
Authority: CN
Inventors: 潘永钢
Original assignee: Changsha Taichang Precision Machinery Co ltd
Current assignee: Changsha Taichang Precision Machinery Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-11-26
Anticipated expiration: 2030-12-25

Abstract

The utility model discloses a positioning device for machining, which comprises a bottom plate and a base, wherein the base is positioned below the bottom plate, the top of the bottom plate is provided with a rectangular hole, the inner walls at the two sides of the bottom plate are rotatably connected with the same two-way lead screw, one end of the two-way lead screw penetrates through the bottom plate and extends to one side of the bottom plate, the outer wall of the two-way lead screw is respectively in threaded connection with two first supporting seats, the bottom of the first supporting seat is in sliding connection with the inner wall at the bottom of the bottom plate, the top of the two first supporting seats is fixedly connected with a first supporting rod, the top of the first supporting rod penetrates through the rectangular hole and extends to the upper part of the bottom plate, in the utility model, workpieces with different heights and different sizes can be rapidly clamped and fixed, and the height of the bottom plate is increased or reduced according to the different heights of the workpieces, thereby reducing the difficulty of personnel operation, the working efficiency is improved, and the practicability of the positioning device is improved.

Description

Positioning device for machining

Technical Field

The utility model relates to a machine tooling technical field especially relates to a positioner for machine tooling.

Background

The machining refers to a machining process for removing materials through mechanical precision machining, and includes two major types of machining, namely manual machining and numerical control machining, drill bushings and machining necessities, the manual machining refers to a method for machining various materials by means of manual operation of mechanical equipment such as a milling machine, a lathe, a drilling machine and a sawing machine by mechanical workers, and the manual machining is suitable for small-batch and simple part production.

At present most positioner for machine tooling single structure can't deal with the machined part of multiple height, can't adjust the height of work piece as required moreover, and then in actual operation, can't adjust the position of processing according to the height of work piece, can increase personnel's the operation degree of difficulty, reduce machining efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of the prior art that the temperature can not be adjusted, and providing a positioning device for machining.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a positioning device for machining comprises a bottom plate and a base, wherein the base is located below the bottom plate, a rectangular hole is formed in the top of the bottom plate, the inner walls of two sides of the bottom plate are rotatably connected with the same two-way lead screw, one end of the two-way lead screw penetrates through the bottom plate and extends to one side of the bottom plate, two first supporting seats are respectively in threaded connection with the outer wall of the two-way lead screw, the bottom of each first supporting seat is in sliding connection with the inner wall of the bottom plate, the top of each first supporting seat is fixedly connected with a first supporting rod, the top of each first supporting rod penetrates through the rectangular hole and extends to the upper side of the bottom plate, a first clamping block is fixedly connected to the top of each first supporting rod, a guide rod is in threaded connection with the inner part of each first clamping block, the top of each guide rod is rotatably connected with a second clamping block, and a supporting assembly for supporting the second clamping block is arranged on each first clamping block, the top of base is provided with the lifting unit of the height of adjustment bottom plate.

Preferably, the supporting component includes empty core rod, empty core rod rotates the one side of connecting at first clamp splice, empty core rod's inner wall sliding connection has the movable rod, one side of movable rod rotates with one side of second clamp splice to be connected, one side threaded connection of empty core rod has fastening screw, a plurality of screw holes have been seted up to the movable rod, and the size and the fastening screw looks adaptation of screw hole, fastening screw's one end extend to threaded hole and with screw hole threaded connection.

Preferably, the first clamping block and the second clamping block have the same length and width, and the axes of the first clamping block and the second clamping block coincide.

Preferably, the lifting assembly comprises two first supporting plates, telescopic rods are fixedly connected to both sides of the two first supporting plates, the top of each telescopic rod is fixedly connected with the bottom of the bottom plate, the bottom of each telescopic rod is fixedly connected with the top of the base, a screw rod is fixedly connected to the bottom of each first supporting plate, a worm wheel is sleeved on the outer wall thread of the screw rod, a second supporting rod is rotatably connected to the bottom of the worm wheel, the bottom of the second supporting rod is fixedly connected with the top of the base, one end of the screw rod extends into the second supporting rod and is slidably connected with the inside of the second supporting rod, a second supporting plate is fixedly mounted at one side of the second supporting rod, a second supporting seat is fixedly mounted at the top of the second supporting plate, and the same worm is rotatably connected to one side of the two second supporting seats which is close to each other, and the worm is meshed with the two worm wheels.

Preferably, a second handle is fixedly connected to one end of the worm.

Preferably, one end of the bidirectional screw rod is fixedly connected with a roller, and one end of the roller is fixedly connected with a first handle.

Preferably, the inner walls of the two sides of the bottom plate are provided with bearings, and the two ends of the bidirectional screw rod respectively extend to the inner rings of the two bearings and are fixedly connected with the inner rings of the bearings.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, after rotating the first in command, two first supporting seats on it are threaded connection because of two-way lead screw and cover are established, can turn into linear motion with rotary motion, again because of the screw thread opposite direction on the two-way lead screw 2, so two first supporting seats move in opposite directions, thereby make the first clamp splice in fixed on first supporting seat move in opposite directions, can be fast with the work piece centre gripping in two first clamp splices, when the work piece that needs is higher, twist out fastening screw earlier, the inside and the guide bar threaded connection of first clamp splice, rotatory guide bar, the vertical rebound of second clamp splice, drive the guide bar and upwards remove, adjust to suitable high back when the second clamp splice, with hollow pole of fastening screw fixation and movable rod, thereby the shortcoming that conventional machine tooling can't adjust the work piece height as required with positioner has been solved.

2. The utility model discloses in, after rotating the second handle, the worm rotates and drives rather than the worm wheel that meshes and rotate, establishes on the screw rod because of the worm wheel screw thread cover to make the vertical upwards axis along the worm wheel of screw rod slide, drive second backup pad rebound when the screw rod is gliding, because of second backup pad and telescopic link fixed connection, thereby make the vertical extension of telescopic link, make the bottom plate rise, solved the shortcoming of the unable adjustment position of processing of positioner for conventional machine tooling.

The utility model discloses in, can carry out quick centre gripping and fixed to not co-altitude, not unidimensional work piece to the co-altitude according to the work piece risees or reduces the height of bottom plate, thereby has reduced the degree of difficulty of personnel's operation, has improved work efficiency, has increased positioner's practicality.

Drawings

Fig. 1 is a schematic structural view of a positioning device for machining according to the present invention;

fig. 2 is an enlarged view of a portion a of a positioning device for machining according to the present invention;

fig. 3 is an enlarged schematic view of a part B of a positioning device for machining according to the present invention.

In the figure: 1. a base plate; 2. a bidirectional screw rod; 3. a first support base; 4. a first support bar; 5. a first clamping block; 6. a hollow shaft; 7. a movable rod; 8. fastening screws; 9. a guide bar; 10. a threaded hole; 11. a second clamp block; 12. a roller; 13. a first handle; 14. a telescopic rod; 15. a first support plate; 16. a screw; 17. a worm gear; 18. a second support plate; 19. a second support seat; 20. a worm; 21. a second handle; 22. a second support bar; 23. a base.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example one

Referring to fig. 1-3, a positioning device for machining, comprising a bottom plate 1 and a base 23, wherein the base 23 is located below the bottom plate 1, and is characterized in that a rectangular hole is formed at the top of the bottom plate 1, the inner walls of the two sides of the bottom plate 1 are rotatably connected with the same two-way lead screw 2, one end of the two-way lead screw 2 penetrates through the bottom plate 1 and extends to one side of the bottom plate 1, the outer wall of the two-way lead screw 2 is respectively in threaded connection with two first supporting seats 3, the bottom of the first supporting seat 3 is slidably connected with the inner wall of the bottom plate 1, the tops of the two first supporting seats 3 are fixedly connected with first supporting rods 4, the top ends of the first supporting rods 4 penetrate through the rectangular hole and extend to the upper side of the bottom plate 1, the top of the first supporting rods 4 is fixedly connected with first clamping blocks 5, the inner threads of the first clamping blocks 5 are connected with guide rods 9, the top ends of the guide rods 9 are rotatably connected with second clamping blocks 11, the first clamping block 5 is provided with a supporting component for supporting the second clamping block 11, and the top of the base 23 is provided with a lifting component for adjusting the height of the bottom plate 1.

Example two

The embodiment is improved on the basis of the first embodiment: the supporting component comprises a hollow rod 6, the hollow rod 6 is rotatably connected to one side of a first clamping block 5, a movable rod 7 is slidably connected to the inner wall of the hollow rod 6, one side of the movable rod 7 is rotatably connected to one side of a second clamping block 11, a fastening screw 8 is in threaded connection with one side of the hollow rod 6, the movable rod 7 is provided with a plurality of threaded holes 10, the size of each threaded hole 10 is matched with that of the fastening screw 8, one end of the fastening screw 8 extends into the corresponding threaded hole 10 and is in threaded connection with the corresponding threaded hole 10, the first clamping block 5 and the second clamping block 11 are the same in length and width, the axes of the first clamping block 5 and the second clamping block 11 are coincided, the lifting component comprises two first supporting plates 15, telescopic rods 14 are fixedly connected to two sides of the two first supporting plates 15, the top of each telescopic rod 14 is fixedly connected with the bottom of the bottom plate 1, the bottom of each telescopic rod 14 is fixedly connected with the top of the base 23, and screws 16 are fixedly connected to the bottom of the first supporting plates 15, a worm wheel 17 is sleeved on the outer wall of the screw rod 16 in a threaded manner, a second support rod 22 is rotatably connected to the bottom of the worm wheel 17, the bottom of the second support rod 22 is fixedly connected with the top of the base 23, one end of the screw rod 16 extends into the second support rod 22 and is slidably connected with the inside of the second support rod 22, a second support plate 18 is fixedly installed on one side of the second support rod 22, a second support seat 19 is fixedly installed on the top of the second support plate 18, and the same worm 20 is rotatably connected to the side, close to each other, of the two second support seats 19, and the worm 20 is meshed with the two worm wheels 17, one end of the worm 20 is fixedly connected with a second handle 21, one end of the bidirectional screw rod 2 is fixedly connected with a roller 12, one end of the roller 12 is fixedly connected with a first handle 13, the inner walls of two sides of the bottom plate 1 are respectively provided with a bearing, and two ends of the bidirectional screw rod 2 respectively extend to the inner rings of the two bearings and are fixedly connected with the inner rings of the bearings.

The working principle is as follows: a workpiece is placed on the top of a bottom plate 1, a first handle 13 is rotated, the first handle 13 drives a bidirectional screw rod 2 to rotate, the bidirectional screw rod 2 is connected with internal threads of two first supporting seats 3 sleeved on the bidirectional screw rod 2, so that the rotary motion can be converted into linear motion, and the threads at two ends of the bidirectional screw rod 2 are opposite in direction, so that the two first supporting seats 3 move oppositely, the first supporting seats 3 are fixedly connected with corresponding first clamping blocks 5, so that the workpiece is rapidly clamped in the two first clamping blocks 5, when the workpiece is higher, a fastening screw 8 is firstly screwed out, a guide rod 9 is rotated, the guide rod 9 is connected with the internal threads of the first clamping blocks 5, the guide rod 9 drives a second clamping block 11 to vertically move upwards, when the workpiece is adjusted to a proper height, the fastening screw 8 is screwed to fix a hollow rod 6 and a movable rod 7, so that the distance between the second clamping block 11 and the first clamping blocks 5 is increased, to deal with higher work piece, when need rising bottom plate 1 height, rotate second handle 21, second handle 21 drives the worm 20 that is connected with it and rotates to make the worm wheel 17 with worm 20 engaged with rotate, because of the inner circle of worm wheel 17 and screw rod 16 threaded connection, thereby make screw rod 16 vertically upwards slide along the axis of worm wheel 17, screw rod 16 drives first backup pad 15 vertical upward movement, because of the both sides of first backup pad 15 and telescopic link 14 fixed connection, thereby extension telescopic link 14 makes bottom plate 1 rise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The positioning device for machining comprises a bottom plate (1) and a base (23), and is characterized in that the base (23) is located below the bottom plate (1), a rectangular hole is formed in the top of the bottom plate (1), two inner walls on two sides of the bottom plate (1) are rotatably connected with the same two-way lead screw (2), one end of the two-way lead screw (2) penetrates through the bottom plate (1) and extends to one side of the bottom plate (1), the outer wall of the two-way lead screw (2) is respectively in threaded connection with two first supporting seats (3), the bottom of each first supporting seat (3) is in sliding connection with the inner wall of the bottom plate (1), the tops of the two first supporting seats (3) are fixedly connected with first supporting rods (4), the top of each first supporting rod (4) penetrates through the rectangular hole and extends to the upper side of the bottom plate (1), the top of each first supporting rod (4) is fixedly connected with a first clamping block (5), the inside threaded connection of first clamp splice (5) has guide bar (9), the top of guide bar (9) is rotated and is connected with second clamp splice (11), be provided with the supporting component who supports second clamp splice (11) on first clamp splice (5), the top of base (23) is provided with the lifting unit of the height of adjustment bottom plate (1).

2. The positioning device for machining according to claim 1, wherein the supporting assembly comprises a hollow rod (6), the hollow rod (6) is rotatably connected to one side of the first clamping block (5), a movable rod (7) is slidably connected to the inner wall of the hollow rod (6), one side of the movable rod (7) is rotatably connected to one side of the second clamping block (11), a fastening screw (8) is connected to one side of the hollow rod (6) in a threaded manner, a plurality of threaded holes (10) are formed in the movable rod (7), the size of each threaded hole (10) is matched with that of each fastening screw (8), and one end of each fastening screw (8) extends into each threaded hole (10) and is connected with each threaded hole (10) in a threaded manner.

3. A positioning device for machining according to claim 2, characterized in that the first clamping block (5) and the second clamping block (11) have the same length and width, and the axes of the first clamping block (5) and the second clamping block (11) coincide.

4. The positioning device for machining according to claim 1, wherein the lifting assembly comprises two first supporting plates (15), two telescopic rods (14) are fixedly connected to two sides of the two first supporting plates (15), the top of each telescopic rod (14) is fixedly connected with the bottom of the bottom plate (1), the bottom of each telescopic rod (14) is fixedly connected with the top of the base (23), a screw (16) is fixedly connected with the bottom of each first supporting plate (15), a worm wheel (17) is sleeved on the outer wall of each screw (16) in a threaded manner, a second supporting rod (22) is rotatably connected with the bottom of each worm wheel (17), the bottom of each second supporting rod (22) is fixedly connected with the top of each base (23), one end of each screw (16) extends into the second supporting rod (22) and is slidably connected with the inner portion of each second supporting rod (22), one side fixed mounting of second bracing piece (22) has second backup pad (18), the top fixed mounting of second backup pad (18) has second supporting seat (19), two one side that second supporting seat (19) are close to each other is rotated and is connected with same worm (20), just worm (20) mesh with two worm wheel (17) mutually.

5. A positioning device for machining according to claim 4, characterized in that a second handle (21) is fixedly connected to one end of the worm (20).

6. A positioning device for machining according to claim 1, characterized in that a roller (12) is fixedly connected to one end of the bidirectional screw (2), and a first handle (13) is fixedly connected to one end of the roller (12).

7. The positioning device for machining according to claim 1, characterized in that bearings are arranged on the inner walls of the two sides of the bottom plate (1), and two ends of the bidirectional screw rod (2) respectively extend to the inner rings of the two bearings and are fixedly connected with the inner rings of the bearings.